// app/composables/useEmailCode.js
import { useApi } from './useApi'

export function useEmailCode() {
  const api = useApi()
  const sending = useState('emailCode:sending', () => false)
  const countdown = useState('emailCode:countdown', () => 0)

  let timer = null

  async function sendCode(email, scene = 'register') {
    if (sending.value || countdown.value > 0) return
    sending.value = true
    try {
      // 统一新路由：POST /auth/email-code
      await api.post('/auth/email-code', { email, scene })
      start(60)
    } finally {
      sending.value = false
    }
  }

  function start(sec = 60) {
    clear()
    countdown.value = sec
    timer = setInterval(() => {
      countdown.value -= 1
      if (countdown.value <= 0) clear()
    }, 1000)
  }

  function clear() {
    if (timer) clearInterval(timer)
    timer = null
    countdown.value = 0
  }

  return { sending, countdown, sendCode, clear }
}